Howto setup LXD on NixOS with NixOS guest using unmanaged bridge network interface

[JimJ92120]

I encountered the same and assumed it was expected - not sure why exactly though.

system.copySystemConfiguration = true; config would normally handle that but it doesn’t work, config files aren’t copied

Some related discussion on this post:

With nix-build, how do I copy configuration.nix into the system to be able to update it?

I’m following this tutorial to build an iso image: https://pablo.tools/blog/computers/nixos-generate-raspberry-images , but the final image doesn’t have an /etc/nixos/configuration.nix Is there an option to copy this with it, as well?

Can you try the following:

1. build your image
2. in your container / VM, run sudo -i nix-channel --update, by default they’re not which would cause future updates from the container to fail
3. create a configuration.nix with ONLY additional packages you want to add (don’t copy the OG configuration.nix for the container itself)
   => OG build will then be the base, the new configuration.nix inside the container will add config on top of that OG build so you won’t lose what’s already setup and installed from the initial container build